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Commemorative stone in the floor of the Chapel of St. George in Westminster Abbey, London, dedicated in 1947: TO THE MEMORY OF ROBERT BADEN-POWELL CHIEF SCOUT OF THE WORLD 1857-1941 Upon one side of the stone was the badge of the Boy Scouts, the arrow-head to point the true way as it had pointed the way for sailors and navigators from the time of the earliest maps; and on the other the badge of the Girl Guides-the three-leafed clover.

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Jan 16, 2026

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Quote Author: Albert Einstein

Albert Einstein

Albert Einstein

Albert Einstein (German: IPA: [ˈalbɐt ˈaɪ̯nʃtaɪ̯n] (Audio file)   (help·info) ; English: IPA: /ˈælbɝt ˈaɪnstaɪn/) (March 14, 1879 - April 18, 1955) was a German-born theoretical physicist. He is best known for his theory of relativity and specifically mass-energy equivalence, E = m c 2 . Einstein received the 1921 Nobel Prize in Physics "for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect."

Einstein's many contributions to physics include his special theory of relativity, which reconciled mechanics with electromagnetism, and his general theory of relativity, which extended the principle of relativity to non-uniform motion, creating a new theory of gravitation. His other contributions include relativistic cosmology, capillary action, critical opalescence, classical problems of statistical mechanics and their application to quantum theory, an explanation of the Brownian movement of molecules, atomic transition probabilities, the quantum theory of a monatomic gas, thermal properties of light with low radiation density (which laid the foundation for the photon theory), a theory of radiation including stimulated emission, the conception of a unified field theory, and the geometrization of physics.

Works by Albert Einstein include more than fifty scientific papers and also non-scientific books. In 1999 Einstein was named Time magazine's "Person of the Century", and a poll of prominent physicists named him the greatest physicist of all time. In popular culture the name "Einstein" has become synonymous with genius.

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